General

  • Target
    E2C31090339C37FAF04CE2489EA35E9E22844B5AEF1A0.exe
  • Size 3.2MB
  • Sample230127-3et5gadd93
  • SHA256 e2c31090339c37faf04ce2489ea35e9e22844b5aef1a05022bbff6c6d8a13b68
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • im523

Botnet
  • HacKed

C2
  • 8.tcp.ngrok.io:16388

Mutex
  • 31d1edf88f70475685ebd9b7096d9c3a

Attributes
  • reg_key

    31d1edf88f70475685ebd9b7096d9c3a

  • splitter

    |'|'|

Targets

    • Target
      E2C31090339C37FAF04CE2489EA35E9E22844B5AEF1A0.exe
    • Size 3.2MB
    • SHA256 e2c31090339c37faf04ce2489ea35e9e22844b5aef1a05022bbff6c6d8a13b68
    • MD5 SHA1 SHA512 SSDEEP
    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks